ZCatalog plug-in index support capability for Zope 2.4.0 through 2.5.1 allows anonymous users and untrusted code to bypass access restrictions and call arbitrary methods of catalog indexes.

Zope 2.2.0 through 2.5.1 does not properly verify the access for objects with proxy roles, which could allow some users to access documents in violation of the intended configuration.

Zope before 2.2.4 allows partially trusted users to bypass security controls for certain methods by accessing the methods through the fmt attribute of dtml-var tags.

Zope before 2.2.4 allows partially trusted users to bypass security controls for certain methods by accessing the methods through the fmt attribute of dtml-var tags.

Digital Creations Zope 2.3.1 b1 and earlier contains a problem in the method return values related to the classes (1) ObjectManager, (2) PropertyManager, and (3) PropertySheet.

Digital Creations Zope 2.3.1 b1 and earlier allows a local attacker (Zope user) with through-the-web scripting capabilities to alter ZClasses class attributes.

Digital Creations Zope 2.3.2 and earlier allows a local attacker to gain additional privileges via the changing of ZClass permission mappings for objects and methods in the ZClass.

Zope before 2.2.4 does not properly compute local roles, which could allow users to bypass specified access restrictions and gain privileges.

Zope 2.2.0 through 2.2.4 does not properly protect a data updating method on Image and File objects, which allows attackers with DTML editing privileges to modify the raw data of these objects.

Zope 2.2.0 through 2.2.4 does not properly perform security registration for legacy names of object constructors such as DTML method objects, which could allow attackers to perform unauthorized activities.